diff --git a/src/mir/join_ir/lowering/scope_manager.rs b/src/mir/join_ir/lowering/scope_manager.rs
index a2d289da..e1f25823 100644
--- a/src/mir/join_ir/lowering/scope_manager.rs
+++ b/src/mir/join_ir/lowering/scope_manager.rs
@@ -179,7 +179,12 @@ impl<'a> ScopeManager for Pattern2ScopeManager<'a> {
         }
 
         // 4. Promoted LoopBodyLocal → Carrier lookup（命名規約は CarrierInfo 側に集約）
-        self.carrier_info.resolve_promoted_join_id(name)
+        // Phase 77: promoted_bindings は導入済みだが、ここ（ScopeManager::lookup）は依然として
+        // “name-only” 入力なので、legacy の name-based promoted 解決を残す。
+        #[allow(deprecated)]
+        {
+            self.carrier_info.resolve_promoted_join_id(name)
+        }
     }
 
     fn scope_of(&self, name: &str) -> Option<VarScopeKind> {
@@ -261,8 +266,6 @@ impl<'a> ScopeManager for Pattern2ScopeManager<'a> {
     /// promoters populate promoted_bindings map and all call sites provide BindingId.
     #[cfg(feature = "normalized_dev")]
     fn lookup_with_binding(&self, binding_id: Option<BindingId>, name: &str) -> Option<ValueId> {
-        use crate::mir::BindingId;
-
         if let Some(bid) = binding_id {
             // Step 1: Try direct BindingId lookup in ConditionEnv (Phase 75)
             if let Some(value_id) = self.condition_env.resolve_var_with_binding(Some(bid), name) {